Brook Floater vs Pacific Swift

Alasmidonta varicosa compared with Apus pacificus

Key Differences

• Brook Floater is Vulnerable while Pacific Swift is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Pacific Swift
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Aves (Birds)
Order	Unionida (Unionida)	Apodiformes (Apodiformes)
Family	Unionidae	Apodidae
Genus	Alasmidonta	Apus
Species	Alasmidonta varicosa	Apus pacificus

Evolutionary Relationship

Brook Floater and Pacific Swift share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Pacific Swift

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Pacific Swift
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Floater

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Pacific Swift

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Denmark, Norway, and Sweden.

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.